海口市龙桥镇3块降香黄檀林地土壤肥力特征分析  

Study on The Soil Fertility Characteristics of 3 Blocks Dalbergia odorifera T.Chen Forestland in Longqiao Town

作　　者：邓少雄 薛雁文 林之盼 王小燕 宿少锋 薛杨 Deng Shaoxiong;XueYanwen;Lin Zhipan;Wang Xiaoyan;Su Shaofeng;Xue Yang(Longqiao Town Agricultural Service Center,Longhua District,Haikou,Hainan 571155;Hainan Academy of Forestry,Haikou,Hainan 571100)

机构地区：[1]海口市龙华区龙桥镇农业服务中心,海南海口571155 [2]海南省林业科学研究院,海南海口571100

出　　处：《热带林业》2019年第4期14-17,共4页Tropical Forestry

摘　　要：降香黄檀是海南岛名贵的乡土树种之一,明确其土壤肥力特征对降香黄檀养分管理及指导经营生产具有重要作用。以海口市龙桥镇3块降香黄檀样地为研究对象,对3块造林样地土壤基本化学性质含量和金属元素含量进行分析研究。结果表明:土壤pH均值为6.81,土壤有机质平均含量均为1.2%,全氮含量为0.056%、全磷含量为0.182%、全钾含量均为1.58%;土壤有效磷含量为28.5mg/kg、土壤速效钾为46.5mg/kg;土壤微量元素中铜、锰、铁含量丰富,硼含量处于低水平。从土壤养分分级水平来看,该区降香黄檀林下土壤属于中等肥力水平。DalbergiaodoriferaT.Chen is the most valuable native tree species in Hainan Island.The research of soil fertility characteristics had important significance to guiding the nutrient management and production management of Dalbergia odorifera T.Chen.Taking three typical plant of Dalbergia odorifera T.Chen(planted for 10 years)as the research object in Longqiao Town of Haikou City,and analyzed the basic chemical content and metal element content of the soil in the 3 afforestation plots were analyzed.The results showed that the average pH value of soil was 6.81,the average content of soil organic matter was 1.2%,the total nitrogen content was 0.056%,the total phosphorus content was 0.182%,the total potassium content was 1.58%,and the soil available phosphorus content was 28.5mg/kg.The soil available potassium is 46.5mg/kg;the trace elements in the soil were rich in copper,manganese and iron,and the boron content was a low level.According to the classification criterion of soil nutrient,the soil fertility is at a middle level in this area.

关 键 词：龙桥镇 降香黄檀 土壤 化学性质 分析 

分 类 号：S158.3[农业科学—土壤学]